cwinfo/yggdrasil-go
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This commit is contained in:
Neil Alexander 2019-01-21 16:24:29 +00:00
parent d3f67ad017
commit 62d4d62a77
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1 changed files with 2 additions and 0 deletions
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src/yggdrasil/session.go
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@ -557,10 +557,12 @@ func (sinfo *sessionInfo) doSend(bs []byte) {
// Work out the flowkey - this is used to determine which switch queue
// traffic will be pushed to in the event of congestion
var flowkey uint64
// Get the IP protocol version from the packet
switch bs[0] & 0xf0 {
case 0x40: // IPv4 packet
// Check the packet meets minimum UDP packet length
if len(bs) >= 24 {
// Is the protocol TCP, UDP or SCTP?
if bs[9] == 0x06 || bs[9] == 0x11 || bs[9] == 0x84 {
ihl := bs[0] & 0x0f * 4 // Header length
flowkey = uint64(bs[9])<<32 /* proto */ |